<template>
  <div class="">
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="goods_name" label="商品分类"> </el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="95px"> </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="70px"> </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button size="mini" type="primary" icon="el-icon-edit"></el-button>
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- pagination区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  name: '',
  props: {},
  components: {},
  data() {
    return {
      queryInfo: {
        query: '',
        // 点前页码值，默认为1
        pagenum: 1,
        // 每页显示多少条数据
        pagesize: 10
      },
      // 商品列表数据
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  computed: {},
  watch: {},
  methods: {
    // 根据分页获取对应的商品数据
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品分类失败')
      }
      this.$message.success('获取商品分类成功')
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 根据id删除操作
    async removeById(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch((err) => err)
      if (confirmResult === 'cancel') {
        return this.$message.info('已取消删除')
      }
      // 删除商品
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除数据失败')
      }
      this.$message.success('删除数据成功')
      this.getGoodsList()
    },
    // 点击跳转到添加商品页面
    goAddPage() {
      // 跳转路由
      this.$router.push('/goods/add')
    }
  },
  created() {
    this.getGoodsList()
  },
  mounted() {},
  beforeDestroy() {}
}
</script>
<style lang="less" scoped></style>
